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Nagios Log Server - Logstash not running after upgrade to 2.0
Overview After upgrading to Nagios Log Server 2.0, the logstash service doesn't remain running. Diagnosis The /var/log/logstash/logstash.log file will show a message similar to: {:timestamp=>"2017-11-14T08:24:17.314000-0700", :message=>... Read More
Nagios Log Server - Upgrading to PHP 7
Upgrading to PHP 7 If your company environment requires upgrading to PHP 7.x, please follow the commands below. Must be using Nagios Log Server 2.1.6 or higher for PHP 7.4 support. Before any major upgrade/update, ensure you have a full backup ... Read More
Nagios Log Server - Overview And Terminology
High Level Overview Nagios Log Server is an application that provides organizations a central location to send their machine generated data, (e.g., Windows Eventlogs, Linux syslogs, mail server logs, web server logs, application logs, etc.), which ... Read More
Nagios Log Server - Configuration Overview
Log Server Configuration Overview Nagios Log Server utilizes logstash for collecting logs from various systems. Logstash has an extensive list of different inputs, filters and outputs available, and Log Server gives users the ability to configure t... Read More
Nagios Log Server - Poller Subsystem Architecture
Poller Subsystem Overview The poller subsystem of Nagios Log Server runs on every instance. In addition to updating the elasticsearch database with the current running configuration, the poller subsystem also updates service state information for all... Read More
Nagios Log Server - Jobs Subsystem Architecture
Jobs Subsystem Overview The jobs subsystem of Nagios Log Server runs on every Log Server instance, and is responsible for running jobs that are scheduled to run. Jobs can be scheduled to run on a specific instance (local jobs) or they can be run on... Read More
Nagios Log Server - Data Backup and Archiving
Log Server Data Backup and Archiving Overview Backups and Archiving of Data is separated in to two different types of backups: the backup of ingested log data, and the backup of system/cluster information. Log Data Backups The process that perf... Read More
Nagios Log Server - Understanding and Troubleshooting Red Cluster Health
Problem Description Nagios Log Server is in a red health state. You can see the current cluster state by navigating to (Administration -> Cluster Status): The cluster can be in one of three states: Green: All primary and replica shards are ... Read More
Nagios Log Server - Full Architecture Overview
High-Level Overview Nagios Log Server is an application that provides organizations a central location to send their machine generated event data (e.g., Windows Event Logs, Linux syslogs, mail server logs, web server logs, application logs) which w... Read More
Nagios Log Server - Manual Installation Instructions
Overview This document is written for administrators who are looking to perform a new installation of Nagios Log Server from source, rather than using a pre-configured virtual machine image. Documentation - Nagios Log Server - Manual Installation Ins... Read More
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